@conference {1128, title = {A simulation study of the use of the Mantel-Haenszel and logistic regression procedures for assessing DIF in a CAT environment}, booktitle = {Paper presented at the annual meeting of the National Council on Measurement in Education}, year = {1997}, address = {Chicago IL}, author = {Ross, L. P. and Nandakumar, R, and Clauser, B. E.} }